OpenTechnical

OT-2026-000060302

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060302) never changes.

Identity and time

Publication numberOT-2026-000060302 · never reused
Internal UUID01a0ae8a-5a74-7958-ba01-849de998f423 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060302
StatusPUBLIC

Content hashes

Canonical text58024ecb4da063018f272e9a67b299f6aff10176ca7a40b18b52f6726cea1afe
Markdownbae6db314171431813ddf82c7a8483dac6231062f6a2cdfd9d49f4cccf5e0dc5
PDF
Publication page3fd2f2a4c173f3d1ba815277532962bfd519fb67faaa7e4b76911a56043635d3
Manifest8af3ec8a4634962235bc9928f596d8ba848e0ed314d3c235918b4a57c3c5b72c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMfZV9shaD2/b6Z0YrpM0/IbAidbBDI/DWRCvaz0mydygI/XmI2qvZhfIoO6zMrTHSi3iLEmk3qrnvHhhvEGxCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:38.007944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060302
observed 3fd2f2a4c173f3d1ba815277532962bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.989657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060302/manifest.json
observed 8af3ec8a4634962235bc9928f596d8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.963135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060302/publication.md
observed bae6db314171431813ddf82c7a8483da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.937943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060302/publication.txt
observed 58024ecb4da063018f272e9a67b299f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.